fix: sync multi-day work hours accounting

Aggregate task work-hour rows into travel-cost calculations and monthly servicer reporting, and keep the frontend calendar aligned with the task work-hours source.

frontend/src/components/dashboard/TaskCalendarWidget.jsx

@@ -24,6 +24,10 @@ function toDateKey(value) {
     const text = String(value || '').trim();
     if (!text) return null;
     if (/^\d{4}-\d{2}-\d{2}$/.test(text)) return text;
+    const croatian = text.match(/^(\d{2})\.(\d{2})\.(\d{4})\.?$/);
+    if (croatian) {
+        return `${croatian[3]}-${croatian[2]}-${croatian[1]}`;
+    }
     const parsed = new Date(text);
     if (Number.isNaN(parsed.getTime())) return null;
     return `${parsed.getFullYear()}-${String(parsed.getMonth() + 1).padStart(2, '0')}-${String(parsed.getDate()).padStart(2, '0')}`;
@@ -77,6 +81,83 @@ function joinUnique(values) {
     return Array.from(new Set(values.filter(Boolean).map((item) => String(item).trim()).filter(Boolean))).join(', ');
 }
 
+function parseReportHours(value) {
+    if (value == null || value === '') return 0;
+    const numeric = Number(String(value).replace(',', '.'));
+    return Number.isFinite(numeric) ? numeric : 0;
+}
+
+function parseReportDateTime(dateKey, value) {
+    if (value == null || value === '') return null;
+    if (value instanceof Date) {
+        return new Date(value.getTime());
+    }
+    const text = String(value).trim();
+    if (!text) return null;
+    const timeMatch = text.match(/^(\d{1,2}):(\d{2})(?::(\d{2}))?$/);
+    if (dateKey && timeMatch) {
+        const hours = String(timeMatch[1]).padStart(2, '0');
+        const minutes = timeMatch[2];
+        const seconds = timeMatch[3] || '00';
+        return new Date(`${dateKey}T${hours}:${minutes}:${seconds}`);
+    }
+    const parsed = new Date(text);
+    return Number.isNaN(parsed.getTime()) ? null : parsed;
+}
+
+function getTaskWorkHoursEntries(task, workOrdersById) {
+    const tableData = task?.work_hours_table?.data ?? task?.work_hours_table ?? null;
+    const rows = Array.isArray(tableData?.rows) ? tableData.rows : [];
+    const workOrder = workOrdersById.get(String(task?.work_order || ''));
+    const base = {
+        title: task?.title || '',
+        serial: getTaskCraneSerial(task) || '',
+        client: getTaskCraneOwner(task) || '',
+        location: workOrder?.location || '',
+        workOrderLabel: task?.work_order_label || '',
+    };
+    const entries = [];
+
+    for (const row of rows) {
+        if (!row || typeof row !== 'object') continue;
+        const dateKey = toDateKey(row.date) || toDateKey(task?.scheduled_date);
+        if (!dateKey) continue;
+        const startAt = parseReportDateTime(dateKey, row.work_time_from || row.travel_time_from || '');
+        const endAt = parseReportDateTime(dateKey, row.work_time_to || row.travel_time_to || '');
+        entries.push({
+            ...base,
+            dateKey,
+            startAt,
+            endAt,
+            totalHours: parseReportHours(row.work_hours) + parseReportHours(row.travel_hours),
+        });
+    }
+
+    if (entries.length > 0) {
+        return entries;
+    }
+
+    const travelStart = workOrder?.travel_start_at;
+    const travelEnd = workOrder?.travel_end_at;
+    if (travelStart && travelEnd) {
+        const startAt = parseReportDateTime(null, travelStart);
+        const endAt = parseReportDateTime(null, travelEnd);
+        const dateKey = toDateKey(task?.scheduled_date) || toDateKey(travelStart);
+        const totalHours = startAt && endAt ? Math.max(0, (endAt.getTime() - startAt.getTime()) / 3600000) : 0;
+        if (dateKey) {
+            entries.push({
+                ...base,
+                dateKey,
+                startAt,
+                endAt,
+                totalHours,
+            });
+        }
+    }
+
+    return entries;
+}
+
 export default function TaskCalendarWidget({ tasks = [], notes = [], workOrders = [], onTaskClick }) {
     const [viewYear, setViewYear] = useState(() => new Date().getFullYear());
     const [viewMonth, setViewMonth] = useState(() => new Date().getMonth());
@@ -196,6 +277,17 @@ export default function TaskCalendarWidget({ tasks = [], notes = [], workOrders
         };
     }, [reportOpen, reportType, viewYear, viewMonth]);
 
+    const reportTaskEntriesByDate = useMemo(() => {
+        const map = {};
+        for (const task of tasks) {
+            for (const entry of getTaskWorkHoursEntries(task, workOrdersById)) {
+                if (!map[entry.dateKey]) map[entry.dateKey] = [];
+                map[entry.dateKey].push(entry);
+            }
+        }
+        return map;
+    }, [tasks, workOrdersById]);
+
     const servicerRows = useMemo(() => {
         if (reportType !== 'servicer') return [];
         const rows = [];
@@ -204,42 +296,28 @@ export default function TaskCalendarWidget({ tasks = [], notes = [], workOrders
 
         for (let day = 1; day <= daysInMonth; day += 1) {
             const key = `${monthPrefix}-${String(day).padStart(2, '0')}`;
-            const dayTasks = tasksByDate[key] ?? [];
+            const dayEntries = reportTaskEntriesByDate[key] ?? [];
             const manualEntry = manualEntriesByDate[key];
 
-            if (dayTasks.length > 0) {
+            if (dayEntries.length > 0) {
                 const titles = [];
                 const serials = [];
                 const clients = [];
                 const locations = [];
                 const workOrderLabels = [];
-                const workStartTimes = [];
-                const workEndTimes = [];
-                const countedWorkOrders = new Set();
+                const startTimes = [];
+                const endTimes = [];
                 let totalHours = 0;
 
-                for (const task of dayTasks) {
-                    if (task?.title) titles.push(task.title);
-                    serials.push(getTaskCraneSerial(task));
-                    clients.push(getTaskCraneOwner(task));
-                    if (task?.work_order_label) workOrderLabels.push(task.work_order_label);
-
-                    const workOrder = workOrdersById.get(String(task.work_order || ''));
-                    if (workOrder?.location) locations.push(workOrder.location);
-                    if (
-                        workOrder?.travel_start_at
-                        && workOrder?.travel_end_at
-                        && !countedWorkOrders.has(String(workOrder.id))
-                    ) {
-                        const startAt = new Date(workOrder.travel_start_at);
-                        const endAt = new Date(workOrder.travel_end_at);
-                        if (!Number.isNaN(startAt.getTime()) && !Number.isNaN(endAt.getTime()) && endAt > startAt) {
-                            countedWorkOrders.add(String(workOrder.id));
-                            workStartTimes.push(startAt);
-                            workEndTimes.push(endAt);
-                            totalHours += (endAt.getTime() - startAt.getTime()) / 3600000;
-                        }
-                    }
+                for (const entry of dayEntries) {
+                    if (entry.title) titles.push(entry.title);
+                    if (entry.serial) serials.push(entry.serial);
+                    if (entry.client) clients.push(entry.client);
+                    if (entry.location) locations.push(entry.location);
+                    if (entry.workOrderLabel) workOrderLabels.push(entry.workOrderLabel);
+                    if (entry.startAt) startTimes.push(entry.startAt);
+                    if (entry.endAt) endTimes.push(entry.endAt);
+                    totalHours += Number(entry.totalHours || 0);
                 }
 
                 rows.push({
@@ -252,10 +330,10 @@ export default function TaskCalendarWidget({ tasks = [], notes = [], workOrders
                         joinUnique(serials) || '-',
                         joinUnique(clients) || '-',
                         joinUnique(locations) || '-',
-                        workStartTimes.length ? formatTime(new Date(Math.min(...workStartTimes.map((item) => item.getTime()))).toISOString()) : '-',
-                        workEndTimes.length ? formatTime(new Date(Math.max(...workEndTimes.map((item) => item.getTime()))).toISOString()) : '-',
-                        totalHours > 0 ? formatHourValue(Math.min(totalHours, 8), '0') : '-',
-                        totalHours > 8 ? formatHourValue(totalHours - 8, '0') : '0',
+                        startTimes.length ? formatTime(new Date(Math.min(...startTimes.map((item) => item.getTime())))) : '-',
+                        endTimes.length ? formatTime(new Date(Math.max(...endTimes.map((item) => item.getTime())))) : '-',
+                        '8',
+                        formatHourValue(totalHours, '0'),
                         joinUnique(workOrderLabels) || '-',
                     ],
                 });
@@ -292,7 +370,7 @@ export default function TaskCalendarWidget({ tasks = [], notes = [], workOrders
         }
 
         return rows;
-    }, [manualEntriesByDate, reportType, tasksByDate, viewMonth, viewYear, workOrdersById]);
+    }, [manualEntriesByDate, reportTaskEntriesByDate, reportType, viewMonth, viewYear]);
 
     const costsRows = useMemo(() => {
         if (reportType !== 'costs') return [];